def change_item(self, old, new):
"""
Replace the item 'old' with the 'new'.
"""
ItemList.change_item(self, old, new)
old.menu = None
new.menu = weakref(self)
def change_item(self, old, new):
"""
Replace the item 'old' with the 'new'.
"""
ItemList.change_item(self, old, new)
old.menu = None
new.menu = weakref(self)
